[PATCH v3 2/4] arm64: dts: rockchip: Introduce the reference PCIe clk generator for BPI-R2-Pro

David Heidelberg via B4 Relay devnull+david.ixit.cz at kernel.org
Tue Mar 3 11:52:28 PST 2026


From: David Heidelberg <david at ixit.cz>

This clocks provides for both PCIe lanes. In following commit will be
utilized by PCIe clock.

Most likely PI6CG33602C or some variant of it.

Suggested-by: Heiko Stuebner <heiko at sntech.de>
Tested-by: Martin Filla <freebsd at sysctl.cz>
Signed-off-by: David Heidelberg <david at ixit.cz>
---
 arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
index 4d3ebe50b90ba..d02b82c5f979a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
@@ -114,6 +114,12 @@ pcie30_avdd1v8: regulator-pcie30-avdd1v8 {
 	};
 
 	/* pi6c pcie clock generator feeds both ports */
+	pcie_refclk_gen: pcie-refclk-gen-clock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <100000000>;
+	};
+
 	vcc3v3_pi6c_05: regulator-vcc3v3-pi6c-05 {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc3v3_pcie";

-- 
2.53.0





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